org.jboss.webbeans.event
Class EventObserver<T>
java.lang.Object
org.jboss.webbeans.event.EventObserver<T>
public class EventObserver<T>
- extends java.lang.Object
EventObserver wraps various Observer
objects created by application
code or by the Web Beans Manager for annotated observer methods. In all
cases, this wrapper provides consistent object identification and hashing
based on the type of event being observed and any event binding types
specified. It also provides a query method to quickly determine if a set of
event bindings are exactly what the observer is interested in receiving.
- Author:
- David Allen
Constructor Summary |
EventObserver(Observer<T> observer,
java.lang.reflect.Type eventType,
ManagerImpl manager,
java.lang.annotation.Annotation... eventBindings)
Constructs a new wrapper for an observer. |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
EventObserver
public EventObserver(Observer<T> observer,
java.lang.reflect.Type eventType,
ManagerImpl manager,
java.lang.annotation.Annotation... eventBindings)
- Constructs a new wrapper for an observer.
- Parameters:
observer
- The observereventType
- The class of event being observedeventBindings
- The array of annotation event bindings, if any
getEventType
public final java.lang.reflect.Type getEventType()
- Returns:
- the eventType
getEventBindings
public final java.util.List<java.lang.annotation.Annotation> getEventBindings()
- Returns:
- the eventBindings
getObserver
public final Observer<? extends T> getObserver()
- Returns:
- the observer
isObserverInterested
public boolean isObserverInterested(java.lang.annotation.Annotation... bindings)
- Query method to determine if this observer should be notified of an event
based on the event bindings and any member values thereof.
- Parameters:
bindings
- The event bindings
- Returns:
- true only if all required bindings match
hashCode
public int hashCode()
- Overrides:
hashCode
in class java.lang.Object
equals
public boolean equals(java.lang.Object other)
- Overrides:
equals
in class java.lang.Object
toString
public java.lang.String toString()
- Overrides:
toString
in class java.lang.Object
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